Attachment for corn-planters.



J. OARNEY. ATTACHMENT FOR CORN PLANTERS.

1PPLIGATI0N FILED DEC. 23, 1912- Patented Nov. 10, 1914.

Uzi Mess:

THE NORRIS PETERS 60.. PHOTO LITHO., WASMINGIUN. D. C,

rinirnn s'ra'rrzs Parana orrrcn JOHN CARNEY, OF CHATSWOR'IH, ILLINOIS.

ATTACHMENT FOR CORN-PLANTERS.

Specification of Letters Patent. Patented Nov, 10, 1914, Applicationfiled December 23, 1912. Serial No. 738,124.

To all whom it may concern:

Be it known that I, J OHN OARNEY, citizen of the United States, residingat Chatsworth, in the county of Livingston and State of Illinois, haveinvented certain new and useful Improvements in Attachments forCorn-Planters, of which the following is a specification. 1

This invention relates to improvements in markers for corn planters andparticularly to the marker shown in United States Patent No. 992,4:01,issued May 16, 1911.

The particular object of the improvements set forth in this applicationfor patent is to provide means for supporting the marker bar moreeffectively than those shown in said patent, and also to avoid thenecessity of the outer end of the marker bar to the front end of thecorn planter frame which is the common expedient in corn planters ingeneral use.

In the accompanying drawing which forms a part of this application Ihave illustrated a preferred embodiment of my improvement, in whichFigure 1 is aperspective View showing my improved attachment combinedwith the rear portion of a corn planter frame, and Fig. 2 is a detacheddetail of the immediate connections between the marker bar and the shaftwhich operates it.

Referring to the details of the drawing, 3 represents a portion ofthesidemembers, and the rear member of a corn planter frame, and 4:represents clips by which a supplemental frame consisting of a flat barset vertically and having suitable bends therein, is connected with theplanter frame 3. Under certain conditions, and especially where theplanter frame will admit of the direct attachment of the operative partsof my device, the supplemental frame 5 may be dispensed with.

Secured rigidly to the rear side of the frame 5 and projecting at rightangles therefrom, which are flanged outwardly and secured by bolts 6 tothe frame 5, the position of said yoke being such that its center is inline with the longitudinal center of the planter frame 3.

8 represents the marker bar which is of the usual form and proportionsand is sup ported from the yoke 7 by a shaft 9 which is journaled insaid yoke and in the frame 5 having a rope extending from is a U-shapedyoke 7 the ends of i and has one end squared as at 9. On the outer endof said shaft 9 is a block 10 which has its corners rounded as at 10 and10 Said block fits between the side flanges 12 of the bracket 12 and ispivotally secured therein by a bolt 11. The bracket 12 is provided withbolt holes 12* in its respective ends which are adapted to receive bolts13 which pass through suitableholes provided:thercfor in the marker barthus affording a long bearing on said bar. At the outer end of themarker bar is the marker board or finger l-il. Near the marker board 14:is secured by a nut 15 the outer end of a brace rod 16 the opposite endof which is bent into hook form as at 16 and engages loosely a rim 17which loosely encircles the arch bracket 18 which is rigidly bolted nearits respective ends by bolts 19 to the rear side of the supplementalframe 5, so that said arch straddles the yoke 7. One end of the arch 18is extended downwardly from the frame 5 and is enlarged at 18 and thisenlarged portionis internally threaded to receive the threaded end of ahook bolt 20 which carries a nut 20 at its threaded end and has itshooked end 20* engaged by one end of an expansible coiled spring 21, 21,the other end of which spring engages a hole 22* in the lower end of alever 22 which is fulcrumed on a bolt 23 secured in the lower portion ofthe segment 24:, and extends from the frame 5. The toothed segment 24:cooperates with a casting 25 which carries the usual yielding pawl 25and also has provided therein a bearing for a rod 26.

On this rod is fixed a collar 27 which serves as a bearing for acompression spring 27 surrounding said bar between said collar and thecasting 25. The inner end of the rod 26 is flattened at 2-6 and ispivotally connected with the fork 28 of a lever 28 the opposite end ofwhich is fitted to the squared end 9 of the shaft 9.

The operations and functions of the hook bolt 20, spring 21, lever 22,segmental yoke 24, casting 25, rod 26, and spring 27, are identical withthe corresponding parts shown in the aforesaid patent. The supplementalframe 5 is substantially the same as the supplemental frame 4 of saidpatent, though it siderable portion of the weight of the marker barfalls upon the outer end of said shaft. 1 am also enabled to apply thelever 28 to the inner end of the shaft 9, thereby bringing said leverinto direct alinement with the rod 26, the advantages of which aremanifest. The chief advantage, however, of my improvements lies in thecombination of the arch 18 and the brace rod or wire 16.

It will be understood, of course, that the marker bar is of considerablelength and. weight and therefore exerts great stress as ordinarilyarranged upon the connection between it and the means for racking oradjusting said bar. In my improvement this strength is borne in part bythe arch and rod referred to, thusrelieving the bracket 12 and shaft 9from the excessive strains referred to. As the marker bar is thrown fromone side of the machine to the other in its ordinary use the ring willslide readily along the arch 18 it being understood that the arch isconcentric with the shaft 9 which represents the pivotal axis of the bar8. If the rod 16 should break the bar 8 would swing outwardlyonthe'pivot represented by the bolt 11 the rounded lower corners of theblock 10 permitting such movement and thus relieving the other parts ofthe attachment from danger of breakage. I

Having thus described my invention, what I claim as new, is

In a marker attachment for corn planters, the combination of asupplemental frame consisting of a single fiat bar bent to form anoffsetting portion, clips for attaching said bar to the frame of thecorn planter, a yoke rigidly secured to the offset portion of said bar,a rock shafthaving bearings in said bar and yoke, a bracket, meansconnecting said bracket and said shaft whereby thebracket may swingoutwardly from said shaft, an arch rigidly secured to the offset portionof said frame, a marker bar rigidly secured to said bracket, a brace rodconnected at one end with said marker bar and having. a slidingconnection. on said arch, and means for operating said rock shaft, saidmeans supported by said first named frame.

In testimony whereof .I affix my signature in the presence of twowitnesses.

JOHN CARNEY. Witnesses CHAS. l SHAFER, J. O. CORBETT.

Copies of this patent maybe obtained for five cents each, by addressing;the Commissioner of Patents,

Washington, D. C.

